/* ============================================================
   SupNews — Stylesheet
   Mobile-first, vanilla CSS, no framework.
   ============================================================ */

/* ---------- 1. Variables & Reset ---------- */

:root {
    --color-bg:        #ffffff;
    --color-fg:        #1a1a1a;
    --color-muted:     #5c6370;
    --color-line:      #e6e8eb;
    --color-card:      #ffffff;
    --color-cardline:  #eef0f3;
    --color-primary:   #1a2332;
    --color-accent:    #ff6b35;
    --color-accent-2:  #e63946;
    --color-link:      #1a2332;
    --color-link-h:    #ff6b35;

    --font-body:  -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
    --font-head:  Georgia, "Times New Roman", serif;
    --font-mono:  ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

    --container:  1180px;
    --gap:        24px;
    --radius:     8px;
    --shadow-sm:  0 1px 3px rgba(0,0,0,0.04), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md:  0 4px 16px rgba(0,0,0,0.06), 0 2px 4px rgba(0,0,0,0.04);
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.55;
    color: var(--color-fg);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img, picture, video { max-width: 100%; display: block; }

a {
    color: var(--color-link);
    text-decoration: underline;
    text-underline-offset: 3px;
    text-decoration-thickness: 1px;
}
a:hover { color: var(--color-link-h); }

h1, h2, h3, h4 {
    font-family: var(--font-head);
    line-height: 1.2;
    margin: 0 0 .5em;
    color: var(--color-primary);
}

p { margin: 0 0 1em; }

ul, ol { margin: 0 0 1em; padding-left: 1.4em; }
li { margin: .25em 0; }

/* ---------- 2. Layout & Container ---------- */

.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}

.skip-link {
    position: absolute;
    left: -9999px;
    background: var(--color-primary);
    color: #fff;
    padding: 8px 16px;
    z-index: 9999;
}
.skip-link:focus { left: 12px; top: 12px; }

/* ---------- 3. Header ---------- */

.site-header {
    background: var(--color-primary);
    color: #fff;
    border-bottom: 3px solid var(--color-accent);
    position: sticky;
    top: 0;
    z-index: 100;
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 64px;
    gap: 16px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    text-decoration: none;
    font-family: var(--font-head);
    font-weight: 700;
    font-size: 22px;
}
.brand:hover { color: var(--color-accent); }

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: var(--color-accent);
    color: #fff;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.brand-name { font-size: 20px; }

/* nav toggle (mobile) */
.nav-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: 0;
    padding: 8px;
    cursor: pointer;
}
.nav-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background: #fff;
    transition: all .2s;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--color-primary);
    border-top: 1px solid rgba(255,255,255,0.1);
    border-bottom: 3px solid var(--color-accent);
}
.main-nav.is-open { display: block; }
.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 8px 0;
}
.main-nav li { margin: 0; }
.main-nav a {
    display: block;
    padding: 12px 20px;
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
}
.main-nav a:hover { background: rgba(255,255,255,0.06); color: var(--color-accent); }
.nav-sep { display: none; }

@media (min-width: 768px) {
    .nav-toggle { display: none; }
    .main-nav {
        display: flex;
        position: static;
        background: transparent;
        border: 0;
    }
    .main-nav ul {
        display: flex;
        align-items: center;
        gap: 4px;
        padding: 0;
    }
    .main-nav a {
        padding: 8px 12px;
        font-size: 14px;
        border-radius: 4px;
    }
    .nav-sep {
        display: inline-block;
        width: 1px;
        height: 18px;
        background: rgba(255,255,255,0.2);
        margin: 0 6px;
    }
}

/* ---------- 4. Main / Hero ---------- */

.site-main { padding: 32px 0 64px; min-height: 60vh; }

.hero {
    padding: 16px 20px 32px;
    text-align: center;
    border-bottom: 1px solid var(--color-line);
    margin-bottom: 32px;
}
.hero-title {
    font-size: clamp(28px, 5vw, 44px);
    margin: 0 0 4px;
    color: var(--color-primary);
}
.hero-tag {
    font-size: 18px;
    color: var(--color-accent);
    font-weight: 600;
    margin: 0 0 8px;
    font-family: var(--font-body);
}
.hero-desc {
    color: var(--color-muted);
    max-width: 720px;
    margin: 0 auto;
    font-size: 15px;
}

/* ---------- 5. Featured (top story) ---------- */

.featured { margin: 0 auto 48px; max-width: var(--container); }
.featured-link {
    display: grid;
    grid-template-columns: 1fr;
    background: var(--color-card);
    border: 1px solid var(--color-cardline);
    border-radius: var(--radius);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: box-shadow .2s, transform .2s;
}
.featured-link:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); color: inherit; }

.featured-cover {
    aspect-ratio: 16 / 9;
    color: #fff;
    display: flex;
    align-items: flex-end;
    padding: 20px;
    gap: 12px;
    position: relative;
}
.featured-cat, .featured-label {
    background: rgba(0,0,0,0.4);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;
    border-radius: 999px;
}
.featured-label { background: var(--color-accent); }

.featured-body { padding: 24px; }
.featured-title {
    font-size: clamp(22px, 3vw, 32px);
    margin: 0 0 12px;
    line-height: 1.2;
}
.featured-excerpt {
    color: var(--color-muted);
    margin: 0 0 12px;
    font-size: 16px;
}

@media (min-width: 880px) {
    .featured-link { grid-template-columns: 1.2fr 1fr; }
    .featured-cover { aspect-ratio: auto; min-height: 100%; }
}

/* ---------- 6. Section header ---------- */

.section-header { margin: 0 0 24px; padding: 16px 0 12px; border-bottom: 2px solid var(--color-primary); }
.section-title {
    font-size: clamp(22px, 3vw, 28px);
    margin: 0;
    color: var(--color-primary);
}
.section-sub { color: var(--color-muted); margin: 4px 0 0; font-size: 14px; }

/* ---------- 7. Card grid ---------- */

.grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
}
@media (min-width: 600px) { .grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .grid { grid-template-columns: 1fr 1fr 1fr; } }

.card {
    background: var(--color-card);
    border: 1px solid var(--color-cardline);
    border-radius: var(--radius);
    overflow: hidden;
    transition: box-shadow .2s, transform .2s;
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

.card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}
.card-link:hover { color: inherit; }

.card-cover {
    aspect-ratio: 16 / 9;
    background: var(--color-primary);
    position: relative;
    display: flex;
    align-items: flex-end;
    padding: 12px;
}
.card-cat {
    background: rgba(0,0,0,0.5);
    color: #fff;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;
    border-radius: 999px;
}

.card-body { padding: 16px 18px; }
.card-title { font-size: 18px; margin: 0 0 8px; line-height: 1.25; }
.card-excerpt { color: var(--color-muted); font-size: 14px; margin: 0 0 12px; }
.card-meta { color: var(--color-muted); font-size: 12px; display: flex; align-items: center; gap: 6px; }

/* ---------- 8. Categories block ---------- */

.categories { margin-top: 48px; }
.cat-grid {
    display: grid;
    gap: 16px;
    grid-template-columns: 1fr;
}
@media (min-width: 600px) { .cat-grid { grid-template-columns: 1fr 1fr; } }
@media (min-width: 960px) { .cat-grid { grid-template-columns: repeat(5, 1fr); } }

.cat-grid-compact { grid-template-columns: 1fr 1fr !important; }
@media (min-width: 600px) { .cat-grid-compact { grid-template-columns: repeat(5, 1fr) !important; } }

.cat-card {
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    padding: 20px;
    border-radius: var(--radius);
    transition: transform .2s, box-shadow .2s;
    min-height: 140px;
    display: flex;
    flex-direction: column;
}
.cat-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); color: #fff; }
.cat-name { color: #fff; font-size: 20px; margin: 0 0 4px; font-family: var(--font-head); }
.cat-count { color: rgba(255,255,255,0.85); font-size: 13px; margin: 0 0 8px; }
.cat-desc { color: rgba(255,255,255,0.85); font-size: 13px; margin: auto 0 0; line-height: 1.4; }

/* ---------- 9. Article page ---------- */

.article { max-width: 760px; margin: 0 auto; padding: 0 20px; }

.breadcrumb { font-size: 13px; color: var(--color-muted); margin-bottom: 16px; }
.breadcrumb a { color: var(--color-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--color-accent); }
.breadcrumb .sep { margin: 0 8px; color: var(--color-line); }

.article-header { padding: 24px 0; border-bottom: 1px solid var(--color-line); margin-bottom: 32px; }
.article-title {
    font-size: clamp(28px, 4vw, 40px);
    margin: 0 0 16px;
    line-height: 1.15;
}
.article-excerpt {
    font-size: 18px;
    color: var(--color-muted);
    line-height: 1.5;
    margin: 0 0 16px;
}
.article-meta { color: var(--color-muted); font-size: 13px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px; }
.meta-author { color: var(--color-primary); font-weight: 600; }

.article-body { font-size: 17px; line-height: 1.7; color: #2c3038; }
.article-body h2 { font-size: 24px; margin: 32px 0 12px; color: var(--color-primary); }
.article-body h3 { font-size: 20px; margin: 24px 0 8px; }
.article-body p { margin: 0 0 16px; }
.article-body ul, .article-body ol { margin: 0 0 16px; padding-left: 1.4em; }
.article-body li { margin: 6px 0; }
.article-body a { color: var(--color-accent); }
.article-body strong { color: var(--color-primary); }
.article-body em { color: #4a4f5a; }

.article-footer {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid var(--color-line);
}
.share-prompt { font-weight: 600; color: var(--color-primary); margin-bottom: 12px; }
.share-buttons { display: flex; flex-wrap: wrap; gap: 8px; }
.share-buttons a {
    background: var(--color-primary);
    color: #fff;
    padding: 8px 14px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 13px;
    font-weight: 600;
}
.share-buttons a:hover { background: var(--color-accent); color: #fff; }

.related { margin-top: 64px; }

/* ---------- 10. Category page ---------- */

.cat-hero {
    padding: 24px 20px;
    background: #fafbfc;
    border-radius: var(--radius);
    margin-bottom: 32px;
}
.cat-hero-title { font-size: clamp(28px, 4vw, 40px); margin: 8px 0; }
.cat-hero-desc { color: var(--color-muted); font-size: 16px; margin-bottom: 8px; }
.cat-hero-count { color: var(--color-accent); font-weight: 700; font-size: 13px; text-transform: uppercase; letter-spacing: .5px; }

.empty {
    text-align: center;
    color: var(--color-muted);
    padding: 64px 20px;
    font-style: italic;
}

/* ---------- 11. 404 ---------- */

.error-page { min-height: 60vh; display: flex; align-items: center; justify-content: center; padding: 64px 20px; }
.error-inner { text-align: center; max-width: 600px; }
.error-code { font-size: clamp(80px, 14vw, 140px); font-weight: 800; color: var(--color-accent); line-height: 1; font-family: var(--font-head); }
.error-title { font-size: clamp(24px, 4vw, 32px); margin: 0 0 12px; }
.error-desc { color: var(--color-muted); margin-bottom: 24px; }
.error-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-bottom: 48px; }

.btn {
    display: inline-block;
    background: var(--color-primary);
    color: #fff;
    text-decoration: none;
    padding: 12px 22px;
    border-radius: 6px;
    font-weight: 600;
    font-size: 15px;
}
.btn:hover { background: var(--color-accent); color: #fff; }
.btn-ghost { background: transparent; border: 1px solid var(--color-primary); color: var(--color-primary); }
.btn-ghost:hover { background: var(--color-primary); color: #fff; }

.error-suggestions h2 { font-size: 16px; color: var(--color-muted); margin-bottom: 16px; }
.error-suggestions .cat-card { min-height: 80px; padding: 14px; }
.error-suggestions .cat-name { font-size: 14px; }

/* ---------- 12. Footer ---------- */

.site-footer {
    background: var(--color-primary);
    color: rgba(255,255,255,0.85);
    margin-top: 64px;
}
.footer-inner {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    padding: 48px 20px 32px;
}
@media (min-width: 768px) {
    .footer-inner { grid-template-columns: 1fr 2fr; }
}

.footer-brand { display: flex; align-items: center; gap: 14px; }
.footer-name { font-family: var(--font-head); font-weight: 700; font-size: 22px; color: #fff; }
.footer-tag { font-size: 13px; color: rgba(255,255,255,0.65); }

.footer-nav { display: grid; gap: 24px; grid-template-columns: 1fr 1fr 1fr; }
.footer-col h3 {
    color: var(--color-accent);
    text-transform: uppercase;
    font-size: 12px;
    letter-spacing: 1px;
    margin: 0 0 12px;
    font-family: var(--font-body);
    font-weight: 700;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin: 0 0 8px; }
.footer-col a { color: rgba(255,255,255,0.85); text-decoration: none; font-size: 14px; }
.footer-col a:hover { color: var(--color-accent); }

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 16px 0;
    font-size: 13px;
    color: rgba(255,255,255,0.65);
    text-align: center;
}
.footer-bottom p { margin: 0; }

/* ---------- 13. Print ---------- */

@media print {
    .site-header, .site-footer, .share-buttons, .related, .nav-toggle { display: none; }
    body { font-size: 12pt; line-height: 1.5; }
    a { color: #000; text-decoration: underline; }
}